.

1 files changed, 231 insertions, 0 deletions

diff --git a/utils/vminfo.c b/utils/vminfo.c
new file mode 100644
index 00000000..e570589a
--- /dev/null
+++ b/utils/vminfo.c
@@ -0,0 +1,231 @@
+/* Print task vm information
+
+   Copyright (C) 1996 Free Software Foundation, Inc.
+
+   Written by Miles Bader <miles@gnu.ai.mit.edu>
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <stdio.h>
+#include <stddef.h>
+#include <argp.h>
+#include <error.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <mach.h>
+#include <mach/vm_statistics.h>
+#include <mach/default_pager.h>
+#include <hurd.h>
+
+char *argp_program_version = "vminfo 1.0 (GNU " HURD_RELEASE ")";
+
+static const struct argp_option options[] = {
+  {"verbose",	'v', 0, 0, "Give more detailed information"},
+  {"addresses", 'a', 0, 0, "Print region start addresses"},
+  {"sizes",     's', 0, 0, "Print region sizes"},
+  {"decimal",	'd', 0, 0, "Show number is decimal"},
+  {"holes",	'h', 0, 0, "Show holes between regions explicitly"},
+  {0}
+};
+static const char *args_doc = "PID [ADDR [SIZE]]]";
+static const char *doc = "Show virtual memory regions for process PID"
+"\vIf ADDR, and possibly SIZE, are given only regions enclosing the range"
+" ADDR to ADDR+SIZE are shown (SIZE defaults to 0)."
+"\nIf neither --addresses nor --sizes is specified, both are assumed.";
+
+/* Possible things to show about regions.  */
+#define W_ADDRS		0x1
+#define W_SIZES		0x2
+#define W_DETAILS	0x4
+
+static char *
+prot_rep (vm_prot_t prot)
+{
+  if (prot == 0)
+    return "0";
+  else
+    {
+      static char buf[20];
+      char *p = buf;
+      if (prot & VM_PROT_READ)
+	*p++ = 'R';
+      if (prot & VM_PROT_WRITE)
+	*p++ = 'W';
+      if (prot & VM_PROT_EXECUTE)
+	*p++ = 'X';
+      if (prot & ~VM_PROT_ALL)
+	sprintf (p, "+%#x", (prot & ~VM_PROT_ALL));
+      else
+	*p = '\0';
+      return buf;
+    }
+}
+
+static char *
+inh_rep (vm_inherit_t inh)
+{
+  static char buf[20];
+  switch (inh)
+    {
+    case VM_INHERIT_SHARE: return "share";
+    case VM_INHERIT_COPY: return "copy";
+    case VM_INHERIT_NONE: return "none";
+    default:
+      sprintf (buf, "%d", inh);
+      return buf;
+    }
+}
+
+static unsigned
+parse_num (char *arg, unsigned base, struct argp_state *state, char *what)
+{
+  char *arg_end;
+  unsigned long num = strtoul (arg, &arg_end, base);
+  if (*arg == '\0' || *arg_end != '\0')
+    argp_error (state, "%s: Invalid %s", arg, what);
+  return num;
+}
+
+int
+main (int argc, char **argv)
+{
+  error_t err;
+  int what = 0, hex = 1, holes = 0;
+  vm_offset_t addr = 0, max_addr = ~addr;
+  task_t task;
+
+  /* Parse our options...  */
+  error_t parse_opt (int key, char *arg, struct argp_state *state)
+    {
+      switch (key)
+	{
+	  pid_t pid;
+	  process_t proc;
+
+	case 'a': what |= W_ADDRS; break;
+	case 's': what |= W_SIZES; break;
+	case 'v': what |= W_DETAILS; break;
+	case 'd': hex = 0; break;
+	case 'h': holes = 1; break;
+
+	case ARGP_KEY_ARG:
+	  switch (state->arg_num)
+	    {
+	    case 0:		/* PID */
+	      pid = parse_num (arg, 10, state, "PID");
+	      proc = getproc ();
+	      err = proc_pid2task (proc, pid, &task);
+	      if (err)
+		argp_failure (state, 11, err, "%s", arg);
+	      break;
+	    case 1:		/* ADDR */
+	      addr = max_addr = parse_num (arg, 0, state, "address"); break;
+	    case 2:		/* SIZE */
+	      max_addr = addr + parse_num (arg, 0, state, "size"); break;
+	    default:
+	      argp_usage (state);
+	    }
+	  break;
+
+	case ARGP_KEY_NO_ARGS:
+	  argp_usage (state); 
+
+	default:
+	  return ARGP_ERR_UNKNOWN;
+	}
+      return 0;
+    }
+  const struct argp argp = { options, parse_opt, args_doc, doc };
+
+  /* Parse our arguments.  */
+  argp_parse (&argp, argc, argv, 0, 0, 0);
+
+  if ((what & ~W_DETAILS) == 0)
+    what = W_ADDRS | W_SIZES | W_DETAILS;
+
+  while (addr <= max_addr)
+    {
+      vm_size_t size;
+      vm_prot_t prot, max_prot;
+      mach_port_t obj;
+      vm_offset_t offs;
+      vm_inherit_t inh;
+      int shared;
+      vm_offset_t hole_addr = addr;
+
+      err =
+	vm_region (task, &addr, &size, &prot, &max_prot, &inh, &shared,
+		   &obj, &offs);
+      if (err)
+	{
+	  if (err != EKERN_NO_SPACE)
+	    error (12, err, "vm_region");
+	  break;
+	}
+
+      if (holes && hole_addr != addr)
+	if ((what & (W_ADDRS|W_SIZES)) == (W_ADDRS|W_SIZES))
+	  if (hex)
+	    printf ("          [%#x] (hole)\n", addr - hole_addr);
+	  else
+	    printf ("          [%d] (hole)\n", addr - hole_addr);
+	else if ((what & (W_ADDRS|W_SIZES)) == W_SIZES)
+	  if (hex)
+	    printf ("%#10x (hole)\n", addr - hole_addr);
+	  else
+	    printf ("%10u (hole)\n", addr - hole_addr);
+
+      if ((what & (W_ADDRS|W_SIZES)) == (W_ADDRS|W_SIZES))
+	if (hex)
+	  printf ("%#10x[%#x]", addr, size);
+	else
+	  printf ("%10u[%d]", addr, size);
+      else if ((what & (W_ADDRS|W_SIZES)) == W_ADDRS)
+	if (hex)
+	  printf ("%#10x", addr);
+	else
+	  printf ("%10u", addr);
+      else if ((what & (W_ADDRS|W_SIZES)) == W_SIZES)
+	if (hex)
+	  printf ("%#10x", size);
+	else
+	  printf ("%10u", size);
+      if (what & W_DETAILS)
+	{
+	  printf (" (prot=%s", prot_rep (prot));
+	  if (max_prot != prot)
+	    printf (", max_prot=%s", prot_rep (max_prot));
+	  if (inh != VM_INHERIT_DEFAULT)
+	    printf (", inherit=%s", inh_rep (inh));
+	  if (shared)
+	    printf (", shared");
+	  if (obj != MACH_PORT_NULL)
+	    printf (", mem_obj=%d", obj);
+	  if (offs != 0)
+	    if (hex)
+	      printf (", offs=%#x", offs);
+	    else
+	      printf (", offs=%d", offs);
+	  putchar (')');
+	}
+      putchar ('\n');
+
+      addr += size;
+    }
+
+  exit (0);
+}